Contents2 Installation and maintenance instructions ecoTEC plus 0020261389_02Contents1 Safety .................................................................... 31.1 Action-related warnings ......................................... 31.2 Intended use .......................................................... 31.3 General safety information .................................... 31.4 Regulations (directives, laws, standards) .............. 62 Notes on the documentation .............................. 72.1 Observing other applicable documents ................. 72.2 Storing documents................................................. 72.3 Validity of the instructions ...................................... 72.4 Benchmark............................................................. 73 Product description............................................. 73.1 Product design....................................................... 73.2 Data plate .............................................................. 73.3 Serial number ........................................................ 83.4 SVGW (Swiss Gas and Water IndustryAssociation) symbol............................................... 83.5 CE marking ............................................................ 83.6 Energy Saving Trust Endorsed Products .............. 84 Set-up.................................................................... 84.1 Unpacking the product........................................... 84.2 Checking the scope of delivery.............................. 84.3 Transporting the product ....................................... 94.4 Dimensions ............................................................ 94.5 Minimum clearances............................................ 104.6 Clearance from combustible components ........... 104.7 Using the mounting template ............................... 104.8 Wall-mounting the product................................... 104.9 Removing/installing the front casing.................... 104.10 Removing/installing the side section ................... 115 Installation.......................................................... 125.1 Sample system installations ................................ 125.2 Selecting the domestic hot water cylinder ........... 155.3 Selecting a low loss header ................................. 155.4 Requirements ...................................................... 155.5 Connecting gas and water ................................... 165.6 Installing and connecting the air pipe and fluepipe ...................................................................... 185.7 Electrical installation ............................................ 196 Operation............................................................ 216.1 Operating concept ............................................... 216.2 Calling up the installer level ................................. 216.3 Live Monitor (status codes) ................................. 216.4 Calling up appliance config. and diagnosticsmenu.................................................................... 216.5 Using test programmes........................................ 217 Start-up ............................................................... 217.1 Carrying out the initial start-up............................. 217.2 Checking and treating the heating water/fillingand supplementary water .................................... 217.3 Filling the condensate siphon .............................. 237.4 Filling the heating installation .............................. 237.5 Starting up the product ........................................ 247.6 Running the installation assistants ...................... 247.7 Preventing low water pressure ............................ 257.8 Flushing the heating installation for the firsttime ("cold") ......................................................... 257.9 Using check programmes .................................... 257.10 Check and gas setting ......................................... 257.11 Checking leak-tightness ...................................... 287.12 Thoroughly flushing the heating installation("hot")................................................................... 298 Adapting the unit to the heatinginstallation.......................................................... 298.1 Activating diagnostics codes ............................... 298.2 Adapting the heating settings .............................. 298.3 Setting the maintenance interval ......................... 319 Handing over to the end user ........................... 3110 Troubleshooting ................................................ 3110.1 Contacting your service partner........................... 3110.2 Calling up service messages............................... 3110.3 Reading off the fault codes .................................. 3110.4 Querying the fault memory .................................. 3210.5 Resetting the fault memory.................................. 3210.6 Performing diagnostics ........................................ 3210.7 Using check programmes .................................... 3210.8 Resetting parameters to factory settings ............. 3210.9 Replacing defective components......................... 3211 Inspection and maintenance ............................ 3611.1 Using the function menu ...................................... 3711.2 Carrying out electronics self-tests ....................... 3711.3 Cleaning/checking the components..................... 3711.4 Draining the product ............................................ 4011.5 Completing inspection and maintenance work .... 4112 Decommissioning.............................................. 4112.1 Permanently decommissioning............................ 4113 Recycling and disposal..................................... 4114 Customer service............................................... 41Appendix ............................................................................ 42A Overview of diagnostics codes ........................ 42B Status codes – Overview .................................. 45C Fault messages – Overview.............................. 46D Wiring diagram................................................... 50E Basic installation diagram ................................ 52E.1 0020253233......................................................... 52E.2 0020259030......................................................... 53E.3 Key for the basic system diagrams...................... 54F Inspection and maintenance work –Overview............................................................. 54G Commissioning Checklist................................. 56H Position of the opening in the air/flue pipe ..... 60H.1 Positioning of the opening of a fan-supportedflue gas pipe ........................................................ 60I Horizontal terminal positioning........................ 61J Gas adjustment values...................................... 61K Technical data.................................................... 62Index ................................................................................... 64